Merge branch 'stable'

apps/ios/SimpleXChat/API.swift

@@ -50,6 +50,13 @@ public func chatMigrateInit(_ useKey: String? = nil, confirmMigrations: Migratio
     return result
 }
 
+public func chatCloseStore() {
+    let err = fromCString(chat_close_store(getChatCtrl()))
+    if err != "" {
+        logger.error("chatCloseStore error: \(err)")
+    }
+}
+
 public func resetChatCtrl() {
     chatController = nil
     migrationResult = nil

apps/ios/SimpleXChat/AppGroup.swift

@@ -80,6 +80,14 @@ public enum AppState: String {
         default: return false
         }
     }
+
+    public var canSuspend: Bool {
+        switch self {
+        case .active: true
+        case .bgRefresh: true
+        default: false
+        }
+    }
 }
 
 public enum DBContainer: String {

apps/ios/SimpleXChat/SimpleX.h

@@ -17,6 +17,7 @@ typedef void* chat_ctrl;
 
 // the last parameter is used to return the pointer to chat controller
 extern char *chat_migrate_init(char *path, char *key, char *confirm, chat_ctrl *ctrl);
+extern char *chat_close_store(chat_ctrl ctl);
 extern char *chat_send_cmd(chat_ctrl ctl, char *cmd);
 extern char *chat_recv_msg(chat_ctrl ctl);
 extern char *chat_recv_msg_wait(chat_ctrl ctl, int wait);